*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
.hidden{
    display: none;
}
ul{
    list-style: none;
    display: flex;
    width: 100%;
    position: fixed;
    bottom: 0px;
    line-height: 50px;
    height: 50px;
    background-color: #ffffff;
}
ul li{
    flex:1;
    text-align: center;
}
.active{
    color:red
}

dl{
    padding: 10px 14px;
    border-bottom: 1px solid #eeeeee;
}
dl dt{
    font-size: 18px;
}
dl dd{
    font-size: 14px;
    color:dimgrey;
    margin-top: 4px;
}

input{
    width: 80vw;
    border: none;
    height: 36px;
    background-color: #eeeeee;
    margin: 10px 10vw;
}